1,052 managers (1,076 13F filers) reported a position in TTD shares at 2025-06-30, 345,822,045 shares in all. 158 filers opened a position and 134 filers sold out during the quarter.
Managers
1,052
13F filers
1,076
New
158
Added
414
Reduced
363
Sold out
134
Shares held by filers
345,822,045
Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.
13D and 13G filers
Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.
No Form 4 transaction on this security in the data.
13F holders, Q2 2025
Filers in the available 13F reports with a share position at 2025-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.
13F-HRTimelineValue filed as zero, left out of ratios.Amount filed as zero, left out of ratios.
Events
STATE STREET CORP and 1 other reporting person reported 13,935,185 TTD shares, 3.3% of the class, as of 2026-09-30, in a 13G filed 2026-10-07. 0000093751-26-000584
Accepted , ingested
BlackRock, Inc. reported 48,984,658 TTD shares, 11.4% of the class, as of 2026-09-30, in a 13G/A filed 2026-10-05. 0002012383-26-003328